211210120022011 has 16 divisors (see below), whose sum is σ = 232748209185408. Its totient is φ = 190070945280000.

The previous prime is 211210120022003. The next prime is 211210120022023. The reversal of 211210120022011 is 110220021012112.

It is a cyclic number.

It is not a de Polignac number, because 211210120022011 - 2³ = 211210120022003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211210120022711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234205446 + ... + 235105531.

It is an arithmetic number, because the mean of its divisors is an integer number (14546763074088).

Almost surely, 2^{211210120022011} is an apocalyptic number.

211210120022011 is a deficient number, since it is larger than the sum of its proper divisors (21538089163397).

211210120022011 is a wasteful number, since it uses less digits than its factorization.

211210120022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469311402.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211210120022011 its reverse (110220021012112), we get a palindrome (321430141034123).

The spelling of 211210120022011 in words is "two hundred eleven trillion, two hundred ten billion, one hundred twenty million, twenty-two thousand, eleven".